AI Model Intelligence

OpenRouter Free Models Router

kilo/free

By kilo · family: auto · released 2026-02-01

Unknown
Input / 1M tokens
Unknown
Output / 1M tokens
200K
Context window
33K
Max output

Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.

Capabilities

Tool callingReasoningStructured outputAttachmentsOpen weightsTemperature control
Modalities: input text, image · output text

Model fit scores

0–100 · higher is better

These scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.

Coding78
  • Tool calling40/40
  • Structured output20/20
  • Reasoning10/10
  • Context window (100K → 1M)6/20
  • Provider availability2/10
Agents92
  • Tool calling35/35
  • Structured output25/25
  • Reasoning15/15
  • Output token limit15/15
  • Provider availability2/10
JSON / structured output80
  • Structured output / JSON mode50/50
  • Tool calling20/20
  • Temperature control10/10
  • Price-friendly for high-volume0/20
Cost efficiency0
  • Has published price0/100
Long context45
  • Context window (100K → 2M)45/90
  • Has published price for full window0/10
Vision72
  • Accepts image input50/50
  • Context window (10K → 1M)20/30
  • Has published price0/10
  • Provider availability2/10
Production-readiness44
  • Number of independent providers10/40
  • Has published per-token price0/20
  • Context window ≥ 8K15/15
  • No data inconsistencies across providers4/10
  • Official model (not derivative)15/15

Cost Efficiency Index

Open full calculator →

Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.

This model has no published per-token price, so we can't compute a cost estimate. See the provider's official pricing page for current rates.

Available on 2 providers

ProviderProvider model idInput / 1MOutput / 1MContextReleased
Kilo Gateway
kilo
openrouter/freeUnknownUnknown200K2026-02-01
Kilo Gateway
kilo
kilo-auto/freeUnknownUnknown256K1970-01-01

Data inconsistencies across providers

  • context_window varies: 200000, 256000
  • release_date varies (span 20485d): 1970-01-01, 2026-02-01
  • modalities varies across offerings

Different providers report different values for this model. Quick facts above use the representative provider; consult the table for per-provider truth.

Frequently asked questions

How much does OpenRouter Free Models Router cost?

OpenRouter Free Models Router does not have a publicly published per-token price in our data source. This usually means it is gated behind enterprise sales or invite access. Check kilo's official pricing page for the most current rates.

What is the context window of OpenRouter Free Models Router?

OpenRouter Free Models Router has a context window of 200K tokens, with a max output of 33K tokens per reply. This is the total combined size of prompt + completion.

Does OpenRouter Free Models Router support tool calling?

Yes. OpenRouter Free Models Router supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Does OpenRouter Free Models Router support structured output / JSON mode?

Yes. OpenRouter Free Models Router supports structured output / JSON-schema-constrained decoding. This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Can OpenRouter Free Models Router accept image input?

Yes. OpenRouter Free Models Router accepts both text and image input. Vision pricing per image is usually billed on top of the regular token rate — check kilo's docs for the exact rule.

Is OpenRouter Free Models Router open-weight?

No. OpenRouter Free Models Router is a proprietary model — only kilo (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.

What are the best alternatives to OpenRouter Free Models Router?

If OpenRouter Free Models Router doesn't fit, consider Deep Cogito: Cogito v2.1 671B, Hy3 preview, Tencent: Hunyuan A13B Instruct. Each one targets the same use case — see the Related links below for direct head-to-head pages.

Where does this data come from?

All numbers are normalised into a single canonical model record and reconciled with each provider's official documentation. We re-pull daily and write any changes (price, context, capability) to the /changelog page.

Last updated:

Pricing and capabilities are refreshed daily and reconciled against each provider's official documentation. Always verify critical production decisions with the provider directly.